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What is a dynamic energy contract — and is it right for you?

A dynamic contract links your tariff to the hourly EPEX exchange price. Cheaper during surplus (much sun/wind), more expensive at peak. Not for everyone — we explain when it pays off.

A dynamic energy contract charges per hour (24 prices/day) based on the EPEX day-ahead spot market. Upside: during overproduction (sunny summer day, strong wind) prices can go negative — you get paid for using electricity. Downside: during peak hours (5-8pm winter, dunkelflaute) prices can spike 4-10× normal. It pays off only if you can shift consumption: heat pump on energy management, EV home-charging overnight, smart washing machine. For passive users with a flat consumption pattern, a fixed contract is cheaper.

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Updated: 2026-05-28

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